cve-2024-27392
Vulnerability from cvelistv5
Published
2024-05-01 13:05
Modified
2024-12-19 08:54
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse() When nvme_identify_ns() fails, it frees the pointer to the struct nvme_id_ns before it returns. However, ns_update_nuse() calls kfree() for the pointer even when nvme_identify_ns() fails. This results in KASAN double-free, which was observed with blktests nvme/045 with proposed patches [1] on the kernel v6.8-rc7. Fix the double-free by skipping kfree() when nvme_identify_ns() fails.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/534f9dc7fe495b3f9cc84363898ac50c5a25fccb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/534f9dc7fe495b3f9cc84363898ac50c5a25fccb
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8d0d2447394b13fb22a069f0330f9c49b7fff9d3
Impacted products
Vendor Product Version
Linux Linux Version: 6.8
Show details on NVD website

To clipboard 

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